712530667 has 4 divisors (see below), whose sum is σ = 737100720. Its totient is φ = 687960616.

The previous prime is 712530661. The next prime is 712530703. The reversal of 712530667 is 766035217.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-712530667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (712530661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12284983 + ... + 12285040.

It is an arithmetic number, because the mean of its divisors is an integer number (184275180).

Almost surely, 2^712530667 is an apocalyptic number.

712530667 is a deficient number, since it is larger than the sum of its proper divisors (24570053).

712530667 is a wasteful number, since it uses less digits than its factorization.

712530667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24570052.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 712530667 is about 26693.2700694389. The cubic root of 712530667 is about 893.1708079281.

The spelling of 712530667 in words is "seven hundred twelve million, five hundred thirty thousand, six hundred sixty-seven".